@article{DMGAA_2001_21_2_a9,
     author = {P{\l}onka, Jerzy},
     title = {The lattice of subvarieties of the biregularization of the variety of {Boolean} algebras},
     journal = {Discussiones Mathematicae. General Algebra and Applications},
     pages = {255--268},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGAA_2001_21_2_a9/}
}